<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>上传图片</title>
</head>
<body>
    <form action="http://localhost:3000/upload" method="post" enctype="multipart/form-data" >
        <input type="file" name="picHeader" id="picHeader">
        <input type="submit" value="上传头像">
    </form>
</body>
</html>